Data processing apparatus, a data processing method, a data...

Details Data processing apparatus, a data processing method, a data... Data processing apparatus, a data processing method, a data...

2001-12-26

2008-03-18

Moise, Emmanuel L. (Department: 2137)

Information security

Prevention of unauthorized use of data including prevention...

Copy inactivation

C713S183000, C713S193000

Reexamination Certificate

active

07346932

ABSTRACT:
A navigation apparatus having a hard disk (called HD below) recording and reproduction unit and comprising: a password memory unit that stores a unique first password for each individual navigation apparatus, and that is used when recording data on or reproducing data from a first HD; the HD recording and reproduction unit that performs recording or reproduction by the first password; and a system control unit, which determines whether or not it is possible to use a second password for recording data on or reproducing data from a second HD that is used for updating the data on the first HD, and when it determines that it is possible to do, it updates the data on the first HD with one on the second HD, then it changes the second password to the first password.

REFERENCES:
patent: 5113518 (1992-05-01), Durst et al.
patent: 5282247 (1994-01-01), McLean et al.
patent: 5537544 (1996-07-01), Morisawa et al.
patent: 5826011 (1998-10-01), Chou et al.
patent: 5922073 (1999-07-01), Shimada
patent: 6012146 (2000-01-01), Liebenow
patent: 6067622 (2000-05-01), Moore
patent: 6964045 (2005-11-01), Grimes et al.
patent: 2002/0174360 (2002-11-01), Ikeda
patent: WO 99/41657 (1999-08-01), None

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